/* ========================================
   PDFWorld - Mobile Responsive Styles
   ======================================== */

@media (max-width: 768px) {

    /* ========================================
       HEADER / NAVIGATION
       ======================================== */

    .nav-menu-v2 {
        display: none;
    }

    /* Hide old nav-menu even when mobile-menu-open (we use mobile-menu-overlay instead) */
    body.mobile-menu-open .nav-menu-v2 {
        display: none;
    }

    /* Show dropdown content in mobile */
    body.mobile-menu-open .mega-dropdown {
        position: static;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        min-width: unset;
        box-shadow: none;
        padding: 0;
        margin: 0;
        background: transparent;
    }

    body.mobile-menu-open .mega-dropdown-grid {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
    }

    body.mobile-menu-open .mega-column-title {
        font-size: 0.75rem;
        margin-bottom: 0.75rem;
        padding-top: 0.5rem;
        border-top: 1px solid #f3f4f6;
    }

    body.mobile-menu-open .mega-column-title:first-child {
        border-top: none;
        padding-top: 0;
    }

    body.mobile-menu-open .mega-tool-item {
        padding: 0.75rem;
        font-size: 0.95rem;
    }

    body.mobile-menu-open {
        overflow: hidden;
    }

    .mobile-menu-btn-v2 {
        display: block;
    }

    .nav-content {
        padding: 0;
    }

    .logo-v2 {
        font-size: 1.25rem;
    }

    .logo-icon-v2 {
        font-size: 1.5rem;
    }

    /* ========================================
       TYPOGRAPHY
       ======================================== */

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    .tool-title {
        font-size: 2rem;
    }

    .tool-subtitle {
        font-size: 1rem;
    }

    /* ========================================
       HERO SECTION
       ======================================== */

    .hero-v2 {
        padding: 3rem 1.5rem 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
        gap: 0.75rem;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

    /* ========================================
       GRIDS
       ======================================== */

    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .option-cards-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    /* ========================================
       STAGE 2: UPLOAD
       ======================================== */

    .upload-area {
        padding: 3rem 1.5rem;
    }

    .upload-icon-circle {
        width: 64px;
        height: 64px;
        font-size: 2rem;
    }

    .upload-title {
        font-size: 1.25rem;
    }

    .upload-desc {
        font-size: 0.9rem;
    }

    /* ========================================
       STAGE 3: SETTINGS
       ======================================== */

    .tool-settings {
        padding: 1.5rem;
    }

    .settings-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .settings-title {
        font-size: 1.25rem;
    }

    .file-item {
        gap: 0.75rem;
        padding: 0.75rem;
    }

    .file-icon-circle {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }

    .file-name {
        font-size: 0.875rem;
    }

    .file-size {
        font-size: 0.75rem;
    }

    /* ========================================
       STAGE 4: PROCESSING & DOWNLOAD
       ======================================== */

    .processing-stage,
    .download-stage {
        padding: 3rem 1.5rem;
    }

    .processing-spinner,
    .success-icon {
        width: 64px;
        height: 64px;
        font-size: 2rem;
    }

    .processing-title,
    .success-title {
        font-size: 1.5rem;
    }

    .processing-status,
    .success-message {
        font-size: 0.9rem;
    }

    .results-stats {
        gap: 2rem;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .btn-download-all {
        width: 100%;
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

    .btn-secondary-action {
        width: 100%;
        padding: 0.875rem 1.5rem;
    }

    /* ========================================
       FOOTER
       ======================================== */

    .footer-v2 {
        padding: 2rem 0;
    }

    .footer-links-v2 {
        flex-direction: column;
        gap: 1rem;
        margin-bottom: 1rem;
    }

    /* ========================================
       TOOL CONTAINER
       ======================================== */

    .tool-container {
        padding: 1.5rem 1rem 3rem;
    }

    .tool-header {
        margin-bottom: 2rem;
        padding-top: 1rem;
    }

    /* ========================================
       CARDS
       ======================================== */

    .tool-card {
        padding: 1.5rem;
    }

    .option-card {
        padding: 1.25rem;
    }

    /* ========================================
       UTILITIES
       ======================================== */

    .container,
    .container-narrow,
    .container-wide {
        padding: 0 1rem;
    }
}

/* ========================================
   EXTRA SMALL DEVICES (<480px)
   ======================================== */

@media (max-width: 480px) {

    .hero-title {
        font-size: 2rem;
    }

    .tool-title {
        font-size: 1.75rem;
    }

    .upload-area {
        padding: 2rem 1rem;
    }

    .tool-settings {
        padding: 1rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   TABLET LANDSCAPE (768px - 1024px)
   ======================================== */

@media (min-width: 769px) and (max-width: 1024px) {

    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ========================================
   TOUCH DEVICE OPTIMIZATIONS
   ======================================== */

@media (hover: none) and (pointer: coarse) {

    /* Larger touch targets */
    .btn-primary,
    .btn-secondary,
    .btn-contact-v2,
    .nav-link-v2 {
        min-height: 44px;
        min-width: 44px;
    }

    .file-remove,
    .btn-change {
        min-height: 44px;
        min-width: 44px;
    }

    /* Remove hover states for touch */
    .tool-card:hover,
    .option-card:hover,
    .nav-link-v2:hover {
        transform: none;
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {

    .navbar-v2,
    .footer-v2,
    .mobile-menu-btn-v2,
    .ad-slot {
        display: none !important;
    }

    body {
        background: white;
    }

    .tool-container {
        max-width: 100%;
    }
}